676868478 has 32 divisors (see below), whose sum is σ = 1590406272. Its totient is φ = 189333600.

The previous prime is 676868419. The next prime is 676868501. The reversal of 676868478 is 874868676.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393588 + ... + 395303.

It is an arithmetic number, because the mean of its divisors is an integer number (49700196).

Almost surely, 2^676868478 is an apocalyptic number.

676868478 is an abundant number, since it is smaller than the sum of its proper divisors (913537794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

676868478 is a wasteful number, since it uses less digits than its factorization.

676868478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788920.

The product of its digits is 21676032, while the sum is 60.

The square root of 676868478 is about 26016.6961392103. The cubic root of 676868478 is about 878.0139776695.

The spelling of 676868478 in words is "six hundred seventy-six million, eight hundred sixty-eight thousand, four hundred seventy-eight".